Home / 13,773.15-20,661.90-8,232.75

Finding the Fourth Proportional to 13,773.15, 20,661.90 and 8,232.75

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Solution

The fourth proportional to 13,773.15, 20,661.90 and 8,232.75 is: 12,350.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,773.15 : 20,661.90 = 8,232.75 : x
  2. Step 2: Convert to fraction form
    13,773.15/20,661.90 = 8,232.75/x
  3. Step 3: Cross multiply
    13,773.15x = 20,661.90 × 8,232.75
  4. Step 4: Simplify right side
    13,773.15x = 170,104,257.23
  5. Step 5: Solve for x
    x = 170,104,257.23/13,773.15
  6. Step 6: Final answer
    x = 12,350.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.